Screw



FIG. 1 is a top view of the screw;

FIG. 2 is a front view of the screw;

FIG. 3 is a side view of the screw;

FIG. 4 is a top perspective view of the screw; and,

FIG. 5 is a bottom view of the screw.

The broken lines in the drawings illustrate portions of the screw and form no part of the claimed design. The screw is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a screw, as shown and described. 